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472707418 = 21933122273
BaseRepresentation
bin11100001011001…
…111000101011010
31012221111000200011
4130023033011122
51432003114133
6114523432134
714466642511
oct3413170532
91187430604
10472707418
11222916097
1211238564a
1376c1a541
1446acd678
152b7766cd
hex1c2cf15a

472707418 has 8 divisors (see below), whose sum is σ = 709433748. Its totient is φ = 236229504.

The previous prime is 472707413. The next prime is 472707461. The reversal of 472707418 is 814707274.

It can be written as a sum of positive squares in 2 ways, for example, as 434180569 + 38526849 = 20837^2 + 6207^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (472707413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57271 + ... + 65002.

Almost surely, 2472707418 is an apocalyptic number.

472707418 is the 11622-nd centered heptagonal number.

472707418 is a deficient number, since it is larger than the sum of its proper divisors (236726330).

472707418 is a wasteful number, since it uses less digits than its factorization.

472707418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124208.

The product of its (nonzero) digits is 87808, while the sum is 40.

The square root of 472707418 is about 21741.8356630713. The cubic root of 472707418 is about 778.9880686304.

The spelling of 472707418 in words is "four hundred seventy-two million, seven hundred seven thousand, four hundred eighteen".

Divisors: 1 2 1933 3866 122273 244546 236353709 472707418